How to stop Facebook apps from sharing your info

MSNBC:
Facebook says it's trying to improve its privacy policies, and it even has invited more than 2,000 of its critics to offer suggestions. One sticking point is that your personal data still can be accessed by your friends' Facebook apps even if you've set that data to be private.

Birthday apps are a prime example, said David Jacobs of the Electronic Privacy Information Center, who represents consumers' interests before government bodies.